CN111687603B

CN111687603B - Hydraulic valve block machining process

Info

Publication number: CN111687603B
Application number: CN202010561240.4A
Authority: CN
Inventors: 张群
Original assignee: Shanghai Lianqinsheng Industrial Co ltd
Current assignee: Shanghai Lianqinsheng Industrial Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-11-30
Anticipated expiration: 2040-06-18
Also published as: CN111687603A

Abstract

The invention relates to a hydraulic valve block processing technology, relating to the technical field of hydraulic valves, and comprising the following steps: s1, receiving raw materials; s2, checking the incoming goods; s3, a transfer production area; s4, sawing and processing to obtain a valve block body; s5, processing a valve hole on the valve block body by adopting a horizontal processing center; s6, drilling a bolt hole by using a vertical drilling machine; s7, deburring; s8, plain grinding the end face of the valve block body; s9, marking; s10, checking; s11, packaging; s12, warehousing; in the processing procedure of the step S5, the cooling liquid is used to spray the valve hole on the injection valve block from bottom to top. The invention has the effect of preventing the valve hole from being blocked by the scraps, thereby ensuring the normal use of the manufactured hydraulic valve block.

Description

Hydraulic valve block machining process

Technical Field

The invention relates to the technical field of hydraulic valves, in particular to a hydraulic valve block machining process.

Background

The hydraulic valve block is a hydraulic element mounting seat, a hydraulic element is butted with a plurality of oil holes arranged on the front surface or each side surface (generally keeping the bottom surface or one surface as a mounting and fixing surface) of the hydraulic valve block through fasteners, and the plurality of oil holes drill longitudinal and transverse pore passages in the valve block according to the passage requirement of a hydraulic system schematic diagram. In other words, the hydraulic valve block is a small circuit, and various valves which are obtained by using the principle are gathered together through oil holes on the valve block. As the valve block is provided with dozens of hundreds of oil ports, corresponding marks are generally provided beside the oil holes so as to facilitate debugging, query and maintenance.

As shown in figure 1, a plurality of valve holes 02 are formed in an existing hydraulic valve block, the valve holes 02 are formed in the surface of each part of a hydraulic valve block body 01, the valve holes 02 are usually machined in a drilling mode in the machining process of the hydraulic valve block, chips generated in the drilling process easily enter other valve holes 02 of the valve block body 01 to be blocked, and if the chips cannot be cleaned in time, the use of the manufactured hydraulic valve block is affected.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a hydraulic valve block processing technology which has the effect of preventing chips from blocking a valve hole so as to ensure the normal use of the manufactured hydraulic valve block.

The above object of the present invention is achieved by the following technical solutions:

a hydraulic valve block machining process comprises the following steps: s1, receiving raw materials; s2, checking the incoming goods; s3, a transfer production area; s4, sawing and processing to obtain a valve block body; s5, processing a valve hole on the valve block body by adopting a horizontal processing center; s6, drilling a bolt hole by using a vertical drilling machine; s7, deburring; s8, plain grinding the end face of the valve block body; s9, marking; s10, checking; s11, packaging; s12, warehousing; in the processing procedure of the step S5, the cooling liquid is used to spray the valve hole on the injection valve block from bottom to top.

Through adopting above-mentioned technical scheme, when horizontal machining center processing valve opening, the coolant liquid is by supreme injection down on the valve block for the coolant liquid passes through the valve opening of valve block bottom and clears up out the piece that processing valve opening and produced, thereby has the effect that prevents the piece and block up the valve opening, has guaranteed the normal use of making the hydraulic valve piece.

The present invention in a preferred example may be further configured to: the horizontal machining center is provided with a mounting fixture for clamping a valve block body, the mounting fixture comprises a horizontally arranged base plate, a plurality of placing seats fixed on the base plate, clamping bodies fixed on the placing seats and pressing blocks arranged on the clamping bodies, the placing seats are horizontally arranged, and two sides of each clamping body on each placing seat are respectively provided with a vertical clamping surface and an inclined clamping surface; the side wall of the pressing block close to the clamping body is attached to the clamping inclined surface of the clamping body and matched with the clamping inclined surface of the clamping body in a sliding mode, and a pressing bolt is arranged on the pressing block; the end part of the compression bolt vertically penetrates through the compression block downwards and penetrates into the upper surface of the placing seat, and the compression bolt is in threaded fit with the placing seat.

Through adopting the technical scheme, before horizontal machining center processing valve block body, operating personnel sets up the valve block body between adjacent placing the seat and make valve block body bottom surface and place the upper surface of seat offset, then operating personnel rotates clamp bolt, make the compact heap move down, at this in-process, the compact heap moves down along the centre gripping inclined plane on the cramping body, thereby make the compact heap move to the centre gripping vertical plane of adjacent cramping body gradually, it is tight until valve block body is pressed from both sides by compact heap and centre gripping vertical plane, thereby make the valve block body keep firm when adding man-hour.

The present invention in a preferred example may be further configured to: the clamping body comprises a fixed plate which is vertically arranged and fixed with the upper surface of the placing seat, two connecting plates which are fixed on two sides of the fixed plate and an inclined baffle which is obliquely arranged between the connecting plates; the surface of the inclined baffle plate, which is far away from the fixed plate, is set as the clamping inclined surface, the surface of the fixed plate, which is far away from the inclined baffle plate, is set as the clamping vertical surface, and the bottom edge of the inclined baffle plate is rotatably connected with the placing seat; the inclined baffle plate is characterized in that an adjusting portion used for adjusting the inclination angle of the inclined baffle plate is arranged between the inclined baffle plate and the fixing plate, the pressing block is multiple, and the pressing block is different from the surface inclination angle matched with the clamping inclined plane.

Through adopting above-mentioned technical scheme, when the inclination that the regulation portion adjusted the slope baffle is different, operating personnel changed with slope baffle complex compact heap, then rotated clamp bolt and pressed from both sides tight valve block to horizontal component and the removal stroke to the compact heap are different when making clamp bolt screw, and then are applicable to the processing of the valve block of different materials and size.

The present invention in a preferred example may be further configured to: the adjusting part comprises a driving sleeve rotatably connected to the fixed plate, a horizontally arranged driving screw, a sliding block slidably connected with the surface of the inclined baffle far away from the pressing block, a worm wheel sleeved on the driving sleeve and fixed with the driving sleeve, and a worm rotatably connected between the connecting plates, one end of the driving screw is hinged with the sliding block, and the other end of the driving screw penetrates into an opening of the driving sleeve and is in threaded fit with the driving sleeve; the worm wheel is meshed with the worm, one end of the worm penetrates through the connecting plate, and a rotating part is arranged on the connecting plate penetrated by the worm; the rotating part comprises a driving box fixed on the connecting plate, a driving shaft vertically penetrating through the upper surface of the driving box and rotationally connected with the driving box, a hand wheel fixed at the upper end of the driving shaft, a driving bevel gear fixed at the lower end of the driving shaft and a driven bevel gear fixed at the end part of the worm; the driving bevel gear is meshed with the driven bevel gear, and the number of teeth of the driven bevel gear is multiple of that of the driving bevel gear.

Through adopting above-mentioned technical scheme, when the user rotated the hand wheel, the drive shaft drove the rotation of drive bevel gear for driven bevel gear and worm rotate, thereby make turbine and drive sleeve rotate, driven drive screw along the axis direction removal of drive sleeve, thereby drive the rotation of slope baffle, adjusted the inclination of slope baffle, in addition, adopt the cooperation of worm and worm wheel, utilized the auto-lock performance of worm and worm wheel, prevent that the reaction force of compact heap from oppressing the rotation of slope baffle.

The present invention in a preferred example may be further configured to: the pressing bolts on the pressing block are provided with a plurality of pressing bolts, and the plurality of pressing bolts are arranged along the length direction of the pressing block.

Through adopting above-mentioned technical scheme, clamp bolt is equipped with many to it is more even to the compact effect of compact heap when making clamp bolt all screw.

The present invention in a preferred example may be further configured to: the pressing bolt is sleeved with a synchronizing gear fixed with the pressing bolt, the synchronizing gear is arranged on the lower side of the pressing block, and the synchronizing gears of adjacent pressing bolts are meshed.

Through adopting above-mentioned technical scheme, synchro gear's setting for compression bolt's rotation is synchronous, thereby makes the compact heap can each department evenly move down when single compression bolt rotates, and synchro gear's setting makes the compact heap receive compression bolt's limiting displacement.

The present invention in a preferred example may be further configured to: the upper surface of the placing seat is provided with a water drainage groove positioned at the lower side edge of the inclined baffle plate, the water drainage groove is communicated with the side wall of the placing seat, and the gap between the inclined baffle plate and the opening edge of the water drainage groove far away from the fixed plate is smaller than the particle size of the fragments.

Through adopting above-mentioned technical scheme, the setting of water drainage tank for place the seat through the coolant liquid discharge of the articulated department of slope baffle, and prevented that the piece from influencing the rotation of slope baffle.

The present invention in a preferred example may be further configured to: the base plate is provided with water spray holes positioned between the adjacent placing seats, and the bottom surface of the base plate is connected with a high-pressure water pipe communicated with the water spray holes.

Through adopting above-mentioned technical scheme, when horizontal machining center processing valve block, the cooling water that the water under high pressure pipe jetted passes through the hole for water spraying and strikes in valve block bottom to the piece on the valve block has been cleared up.

In summary, the invention includes at least one of the following beneficial technical effects:

when the valve hole is machined in the horizontal machining center, cooling liquid is sprayed on the valve block body from bottom to top, so that the cooling liquid passes through the valve hole in the bottom of the valve block body and clears chips generated by machining the valve hole, the effect of preventing the chips from blocking the valve hole is achieved, and the normal use of the manufactured hydraulic valve block is guaranteed;

when the inclination angle of the inclined baffle is adjusted to be different by the adjusting part, an operator replaces the pressing block matched with the inclined baffle, and then rotates the pressing bolt to clamp the valve block body, so that the horizontal component force and the moving stroke of the pressing block are different when the pressing bolt is screwed, and the valve block body processing device is further suitable for processing valve block bodies made of different materials and sizes;

the setting of synchromesh for compression bolt's rotation is synchronous, thereby makes the compact heap can each place evenly move down when single compression bolt rotates, and synchromesh's setting makes the compact heap receive compression bolt's limiting displacement.

Drawings

Fig. 1 is a schematic structural view of a conventional hydraulic valve block.

Fig. 2 is a schematic step diagram of a hydraulic valve block machining process.

Fig. 3 is a schematic view of the structure of the mounting clip.

Fig. 4 is a schematic structural view of the clamping body.

Fig. 5 is a schematic structural view of the rotating portion.

Reference numerals: 01. a valve block body; 02. a valve bore; 03. bolt holes; 1. a substrate; 11. a water spray hole; 2. a placing seat; 21. a countersunk hole; 22. a countersunk bolt; 23. a water discharge tank; 24. a water through hole; 3. a clamping body; 31. a fixing plate; 32. a connecting plate; 33. an inclined baffle plate; 34. a rubber skin; 4. a compression block; 41. a communicating hole; 42. a hold-down bolt; 43. a gasket; 44. a synchronizing gear; 5. an adjustment section; 51. a drive sleeve; 52. a drive screw; 53. a slider; 54. a worm gear; 55. a worm; 6. a rotating part; 61. a drive cartridge; 62. a drive shaft; 63. a hand wheel; 64. a drive bevel gear; 65. a driven bevel gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the hydraulic valve block processing technology disclosed by the invention comprises the following steps: s1, receiving raw materials; s2, checking the incoming goods; s3, a transfer production area; s4, sawing to obtain a valve block body 01; s5, processing a valve hole 02 on the valve block body 01 by adopting a horizontal processing center; s6, drilling a bolt hole 03 by using a vertical drilling machine; s7, deburring; s8, flat grinding the end face of the valve block body 01; s9, marking; s10, checking; s11, packaging; and S12, warehousing.

In step S5, the horizontal machining center is provided with a mounting jig, which includes the substrate 1, the placement base 2, the clamping body 3, and the pressing block 4, as shown in fig. 3. The base plate 1 is in a rectangular long plate shape and is horizontally arranged, and the base plate 1 and the horizontal machining center are fixedly installed. The placing seat 2 is a rectangular seat structure and is disposed on the substrate 1, and the length direction of the placing seat 2 is consistent with the width direction of the substrate 1. The bottom surface of the placing seat 2 is attached to the upper surface of the substrate 1, and the upper surface of the placing seat 2 is provided with a counter bore 21. The countersunk head bolt 22 is arranged in the countersunk head hole 21, the end part of the countersunk head bolt 22 sequentially penetrates through the countersunk head hole 21 and penetrates into the upper surface of the base plate 1, the countersunk head bolt 22 is in threaded fit with the base plate 1, when the countersunk head bolt 22 is screwed, the placing seat 2 is fixed with the base plate 1, and the head part of the countersunk head bolt 22 is lower than the upper surface of the placing seat 2. The countersunk head bolts 22 are provided with a plurality of countersunk head bolts 22 which are respectively arranged on two sides of the placing seat 2 and are uniformly arranged along the length direction of the placing seat 2.

Referring to fig. 3 and 4, the holder 3 includes a fixing plate 31, a connecting plate 32, an inclined baffle 33, and a rubber sheet 34, the fixing plate 31 has a rectangular plate shape, a vertical plate surface, a longitudinal direction of the fixing plate coincides with a longitudinal direction of the holder 2, and a bottom surface of the fixing plate 31 is fixed to an upper surface of the holder 2. The connecting plate 32 is a right trapezoid plate-shaped structure, the surface of the connecting plate is vertical, the bottom edge of the connecting plate is fixed to the upper surface of the placing seat 2, and the vertical edge of the connecting plate 32 is flush with the surface of the fixing plate 31 far away from the center of the placing seat 2. The two connecting plates 32 are arranged, the two connecting plates 32 are respectively arranged at two ends of the fixing plate 31, and two ends of the fixing plate 31 are fixed with the mutually close plate surfaces of the two connecting plates 32. The inclined baffle 33 is a rectangular long plate, the length direction of the inclined baffle 33 is consistent with the length direction of the fixed plate 31, the plate surface of the inclined baffle 33 is arranged in an inclined mode, the distance from the upper side edge of the inclined baffle 33 to the fixed plate 31 is smaller than the distance from the bottom edge of the inclined baffle 33 to the fixed plate 31, and in addition, the bottom edge of the inclined baffle 33 is hinged with the upper surface of the placing seat 2. The rotation axis of the inclined baffle 33 is perpendicular to the plate surface of the connecting plate 32, and two ends of the inclined baffle 33 are respectively flush with the plate surfaces of the two connecting plates 32 which are close to each other. The surface of the inclined baffle plate 33 away from the fixed plate 31 is a clamping inclined surface, and the surface of the fixed plate 31 away from the inclined baffle plate 33 is a clamping vertical surface. The rubber sheet 34 is rectangular sheet and made of elastic rubber material, and is disposed on the top of the connecting plate 32, one side of the rubber sheet 34 is fixed to the surface of the fixing plate 31, the other side is fixed to the surface of the inclined baffle 33, and two ends of the rubber sheet 34 are respectively abutted to the two connecting plates 32.

Referring to fig. 4, the clamping body 3 is provided with an adjusting portion 5 therein, and the adjusting portion 5 includes a driving sleeve 51, a driving screw 52, a slide block 53, a worm wheel 54, and a worm 55. The driving sleeve 51 is a sleeve-shaped structure with a circular opening, and is horizontally arranged between the fixed plate 31 and the inclined baffle plate 33, the opening of the driving sleeve 51 faces downwards to incline the baffle plate 33, the other end of the driving sleeve 51 is rotatably connected with the plate surface of the fixed plate 31, and the rotation axis of the driving sleeve 51 is overlapped with the self axis. The axis of the driving screw 52 is coincident with the axis of the driving sleeve 51, one end of the driving screw 52 penetrates into the driving sleeve 51 and is in threaded fit with the arc-shaped inner wall of the driving sleeve 51, and the other end faces the inclined baffle 33. The sliding block 53 is rectangular block-shaped, the inclined baffle 33 is close to the surface of the fixed plate 31, and a sliding groove is formed in the surface of the inclined baffle 33 and is a dovetail groove, and the sliding groove vertically extends along the surface of the inclined baffle 33. Be equipped with the slider in the spout, the slider is the forked tail shape is blocky, and the slider cooperates with the inner wall of spout slides, and in addition, the surface that the slider exposes the spout is close to the fixed surface of slope baffle 33 with slider 53 to make slider 53 and slope baffle 33 sliding connection. One end of the driving screw 52 far away from the driving sleeve 51 is hinged with the surface of the sliding block 53 far away from the inclined baffle 33, and the rotating axis of the driving screw 52 relative to the sliding block 53 is parallel to the length direction of the fixed plate 31. The worm wheel 54 is sleeved on the driving sleeve 51 and fixed with the outer wall of the driving sleeve 51, the length direction of the worm 55 is horizontal and vertical to the axis of the driving sleeve 51, two ends of the worm 55 are respectively connected with the plate surfaces of the two connecting plates 32 in a rotating manner, one end of the worm 55 penetrates through the connecting plates 32, and in addition, the worm 55 is meshed with the worm wheel 54. As shown in fig. 5, the rotary unit 6 is provided outside the connecting plate 32 through which the worm 55 penetrates, and the rotary unit 6 includes a drive case 61, a drive shaft 62, a hand wheel 63, a drive bevel gear 64, and a driven bevel gear 65. The drive case 61 is a rectangular box-like member, and is disposed outside the connecting plate 32 through which the worm 55 penetrates, and an opening end surface of the drive case 61 is fixed to a plate surface of the connecting plate 32 through which an end of the worm 55 penetrates, and the end of the worm 55 through which the connecting plate 32 penetrates is disposed inside the drive case 61. The driving shaft 62 is in a circular shaft shape, the driving shaft 62 vertically penetrates through the upper surface and the inner top surface of the driving box 61, and the driving column is rotatably connected with the driving box 61. The hand wheel 63 is arranged on the top of the driving box 61 and fixed with the upper end of the driving shaft 62, the driving bevel gear 64 is arranged in the driving box 61 and fixed with the lower end of the driving shaft 62, and the driven bevel gear 65 is arranged in the driving box 61 and fixed with the end of the worm 55. The number of teeth of the driven bevel gear 65 is several times that of the drive bevel gear 64, and the drive bevel gear 64 is engaged with the driven bevel gear 65. When a user rotates the hand wheel 63, the driving shaft 62 drives the driving bevel gear 64 to rotate, so that the driven bevel gear 65 and the worm 55 rotate, the worm wheel and the driving sleeve 51 rotate, the driving screw 52 is driven to move along the axial direction of the driving sleeve 51, the inclined baffle 33 is driven to rotate, and the inclination angle of the inclined baffle 33 is adjusted.

Referring to fig. 4, the cross section of the pressing block 4 is of a right trapezoid block structure, the length direction of the pressing block 4 is consistent with that of the inclined baffle 33, the pressing block 4 is arranged on one side, far away from the fixed plate 31, of the inclined baffle 33, the upper surface of the pressing block 4 is horizontally arranged with the ground, and the inclined surface of the pressing block 4 is attached to the clamping inclined surface of the inclined baffle 33 and matched with the clamping inclined surface in a sliding mode. The compaction block 4 is provided with a plurality of types, and the inclined angles of the inclined side walls of the various compaction blocks 4 are different and are used for being matched with the adjusted inclined baffle 33. The upper surface of the compact block 4 is provided with a communication hole 41, the opening of the communication hole 41 is circular, and the communication hole 41 penetrates through the compact block 4. The pressing block 4 is provided with a pressing bolt 42, a gasket 43 and a synchronous gear 44, the diameter of the end part of the pressing bolt 42 is smaller than the inner diameter of the communication hole 41, the end part of the pressing bolt 42 vertically penetrates through the communication hole 41 and penetrates through the upper surface of the placing seat 2, and the pressing bolt 42 is in threaded fit with the placing seat 2. The gasket 43 is in a circular ring shape sheet shape, the gasket 43 is sleeved on the compression bolt 42 and located between the head of the compression bolt 42 and the upper surface of the compression block 4, the inner diameter of the gasket 43 is smaller than the diameter of the head of the compression bolt 42, the outer diameter of the gasket 43 is larger than the inner diameter of the communication hole 41, when the compression bolt 42 is screwed, the head of the compression bolt 42 moves downwards, the gasket 43 and the compression block 4 move downwards, the compression block 4 moves downwards along the clamping inclined plane, the vertical side wall of the compression block 4 moves towards the fixing plate 31 on the adjacent clamping body 3, and the valve block body 01 arranged between the adjacent placing seats 2 is clamped and fixed. As shown in fig. 3, a plurality of sets of the hold-down bolts 42 and the communication holes 41 are provided on the hold-down block 4, the plurality of sets of the hold-down bolts 42 and the communication holes 41 are arranged along the length direction of the hold-down block 4, and the thread directions of the adjacent hold-down bolts 42 are opposite. The synchronous gears 44 are provided in plurality, the synchronous gears 44 are respectively sleeved on the pressing bolts 42 and fixed with the pressing bolts 42, the synchronous gears 44 are provided at the lower side of the pressing block 4, and the adjacent synchronous gears 44 are meshed with each other. Due to the arrangement of the synchronizing gear 44, the rotation of the pressing bolt 42 is synchronous, so that the pressing block 4 can uniformly move downwards everywhere when a single pressing bolt 42 rotates, and due to the arrangement of the synchronizing gear 44, the pressing block 4 is limited by the pressing bolt 42.

Referring to fig. 4, the drainage channel 23 is formed in the upper surface of the placing seat 2, the opening of the drainage channel 23 is rectangular, the length of the drainage channel 23 is the same as that of the inclined baffle 33, the drainage channel 23 is disposed on the lower side of the bottom edge of the inclined baffle 33, and the gap between the bottom edge of the inclined baffle 33 and the edge of the opening of the drainage channel 23 close to the pressing bolt 42 is smaller than the particle diameter of the machining debris, so that the debris is prevented from entering the drainage channel 23 and the clamping body 3. The side wall of the placement base 2 is opened in the water passage hole 24, the opening of the water passage hole 24 is circular, the longitudinal direction thereof coincides with the longitudinal direction of the drain tank 23, and the water passage hole 24 penetrates the placement base 2. The bottom surface in the drainage channel 23 is provided with a water flowing hole, the opening of which is circular and is communicated with the limber hole 24, so that the water entering the drainage channel 23 is discharged out of the placing seat 2 through the water flowing hole and the limber hole 24 in sequence. The hole for water spraying 11 has been seted up to base plate 1 upper surface, and the opening of hole for water spraying 11 is circular, and its inner wall is seted up there is the internal thread for with the installation of high pressure water pipe tip screw-thread fit, and hole for water spraying 11 sets up between adjacent seat 2 of placing, when horizontal machining center processing valve block 01, the cooling water that the high pressure water pipe erupted passes through hole for water spraying 11 impact in valve block 01 bottom to the piece on the valve block 01 has been cleared up.

The implementation principle of the embodiment is as follows: when horizontal machining center processing valve opening 02, the coolant liquid is by lower supreme injection on valve block 01 for the coolant liquid passes through the valve opening 02 of valve block 01 bottom and clears up the piece that processing valve opening 02 and produce, thereby has the effect that prevents the piece and block up valve opening 02, has guaranteed the normal use of making the hydraulic valve piece.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A hydraulic valve block processing technology is characterized in that: the method comprises the following steps: s1, receiving raw materials; s2, checking the incoming goods; s3, a transfer production area; s4, sawing to obtain a valve block body (01); s5, machining a valve hole (02) on the valve block body (01) by adopting a horizontal machining center; s6, drilling a bolt hole (03) by using a vertical drilling machine; s7, deburring; s8, plain grinding the end face of the valve block body (01); s9, marking; s10, checking; s11, packaging; s12, warehousing; in the processing process of the step S5, a valve hole (02) on the injection valve block body (01) is injected with cooling liquid from bottom to top;

the valve block body clamping device is characterized in that an installation clamp used for clamping a valve block body (01) is arranged on the horizontal machining center, the installation clamp comprises a base plate (1) which is horizontally arranged, a plurality of placing seats (2) which are fixed on the base plate (1), clamping bodies (3) which are fixed on the placing seats (2) and pressing blocks (4) which are arranged on the clamping bodies (3), the placing seats (2) are horizontally arranged, and clamping vertical surfaces and clamping inclined surfaces are respectively arranged on two sides of each clamping body (3) on each placing seat (2); the side wall, close to the clamping body (3), of the pressing block (4) is attached to the clamping inclined surface of the clamping body (3) and matched with the clamping inclined surface in a sliding mode, and a pressing bolt (42) is arranged on the pressing block (4); the end part of the compression bolt (42) vertically penetrates through the compression block (4) downwards and penetrates into the upper surface of the placing seat (2), and the compression bolt (42) is in threaded fit with the placing seat (2);

the clamping body (3) comprises a fixing plate (31) which is vertically arranged and fixed with the upper surface of the placing seat (2), two connecting plates (32) which are fixed on two sides of the fixing plate (31) and an inclined baffle (33) which is obliquely arranged between the connecting plates (32); the plate surface of the inclined baffle plate (33) far away from the fixed plate (31) is set as the clamping inclined surface, the plate surface of the fixed plate (31) far away from the inclined baffle plate (33) is set as the clamping vertical surface, and the bottom edge of the inclined baffle plate (33) is rotatably connected with the placing seat (2); an adjusting part (5) used for adjusting the inclination angle of the inclined baffle (33) is arranged between the inclined baffle (33) and the fixing plate (31), the pressing blocks (4) are provided in various types, and the inclination angles of the surfaces of the various pressing blocks (4) matched with the clamping inclined plane are different;

the adjusting part (5) comprises a driving sleeve (51) rotationally connected to the fixing plate (31), a driving screw rod (52) horizontally arranged, a sliding block (53) in sliding connection with the surface, away from the pressing block (4), of the inclined baffle (33), a worm wheel (54) sleeved on the driving sleeve (51) and fixed with the driving sleeve, and a worm (55) rotationally connected between the connecting plates (32), wherein one end of the driving screw rod (52) is hinged to the sliding block (53), and the other end of the driving screw rod penetrates into an opening of the driving sleeve (51) and is in threaded fit with the driving sleeve (51); the worm wheel (54) is meshed with the worm (55), one end of the worm (55) penetrates through the connecting plate (32), and a rotating part (6) is arranged on the connecting plate (32) penetrated by the worm (55); the rotating part (6) comprises a driving box (61) fixed on the connecting plate (32), a driving shaft (62) vertically penetrating through the upper surface of the driving box (61) and rotatably connected with the driving box, a hand wheel (63) fixed at the upper end of the driving shaft (62), a driving bevel gear (64) fixed at the lower end of the driving shaft (62) and a driven bevel gear (65) fixed at the end part of the worm (55); the driving bevel gear (64) is meshed with the driven bevel gear (65), and the number of teeth of the driven bevel gear (65) is multiple of that of the driving bevel gear (64).

2. The hydraulic valve block machining process according to claim 1, characterized in that: the pressing bolts (42) on the pressing block (4) are provided with a plurality of pressing bolts (42), and the plurality of pressing bolts (42) are arranged along the length direction of the pressing block (4).

3. The hydraulic valve block machining process according to claim 2, characterized in that: the pressing bolt (42) is sleeved with a synchronizing gear (44) fixed with the pressing bolt, the synchronizing gear (44) is arranged on the lower side of the pressing block (4), and the synchronizing gears (44) of the adjacent pressing bolts (42) are meshed.

4. The hydraulic valve block machining process according to claim 1, characterized in that: the upper surface of the placing seat (2) is provided with a drainage groove (23) positioned at the lower side edge of the inclined baffle (33), the drainage groove (23) is communicated with the side wall of the placing seat (2), and the gap between the inclined baffle (33) and the opening edge of the drainage groove (23) far away from the fixing plate (31) is smaller than the particle size of the scraps.

5. The hydraulic valve block machining process according to claim 1, characterized in that: the base plate (1) is provided with water spray holes (11) located between the adjacent placing seats (2), and the bottom surface of the base plate (1) is connected with a high-pressure water pipe communicated with the water spray holes (11).